Overview

  • Gain the ultimate gaming edge
    Insane speeds up to 7,300MB/s (1TB – 4TB models) deliver top-tier performance with ridiculously short load times — for the elite gaming experience you’ve been waiting for.
  • Heatsink for the win
    All capacities have an optional heatsink version that’s not only eye-catching, but also helps your rig maintain peak performance through your most intense gaming sessions.
  • More room for more games
    Capacities up to 8TB built with Western Digital TLC 3D NAND, means you get to keep more games at the ready — and get into the action even faster.
  • Do more with WD_BLACK Dashboard
    The downloadable WD_BLACK Dashboard (Windows only) monitors your drive’s health, lets you customize your RGB lighting, and, exclusively on the SN850X SSD, enables Game Mode 2.0 to transform your gaming experience.
  • Future-forward features
    The WD_BLACK SN850X SSD boasts a powerful suite of features, including Predictive Loading, Overhead Balancing, and Adaptive Thermal Management (ATM).
  • DirectStorage supported
    Improve load times and get precious time back with Microsoft DirectStorage technology.

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Specifications

Capacity & configuration

Storage Capacity
8000 gigabytes
Storage Drive Type
SSD
Lighting Type
None
NAND Flash Memory Type
3D TLC

Dimensions & weight

Product Name
BLACK SN850X 8TB Internal SSD PCIe Gen 4 x4 NVMe
Product Compatibility
Desktop computers
Product Height
0.15 inches
Product Width
0.87 inches
Product Weight
0.019 ounces

Features

Brand
WD
Maximum Read Speed
7200 megabytes per second
Maximum Write Speed
6600 megabytes per second
SSD Endurance
4800 terabytes
Heatsink
No
Internal Or External
Internal
Form Factor
M.2 2280
Interface(s)
PCIe Gen 4 x4
Operating System Compatibility
Windows
Data Encryption
No
Usage
Everyday computing
UPC
619659208417

Power & warranty

Model Number
WDBB9G0080BNC-WRSN
Warranty - Parts
5 years
Warranty - Labor
5 Years

Warranty & protection

Included manufacturer warranty

See manufacturer documentation.

Register your product with the manufacturer within 30 days of delivery.

Warranty service

Manufacturer warranty claims are handled by the manufacturer. We are happy to help you find the right contact: (888) 419-6820.

Customer reviews

Write a review
ERIKCMay 29, 2026 · Verified purchase ★★★★★

Max Storage!! - Bought it with the intents to use it with my sabrent dock for my steam deck. Works awesome! All my games are downloaded and i still have storage to spare! Highly recommend.

McbmgMar 3, 2026 · Verified purchase ★★★★★

Stores My Gaming Library - I live the drive. It was very easy to install and it loads my games very quickly.

Gilly89Feb 22, 2026 · Verified purchase ★★★★★

great storage solution - great storage, western didgital is premuim so im glad i purchased this before prices spiked. But its great for my library of steam games

JboneJan 25, 2026 · Verified purchase ★★★★★

I got lucky!!! - This drive is massive and light-speed fast. When I bought this in Dec 2024, I was skeptical due to the price but now that the price has nearly tripled, I know I made the right choice when I pulled the trigger and made my purchase.

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Questions & answers

Ask a question

Email [email protected] or call (888) 419-6820 during business hours.

Free U.S. shippingOn every order. Leaves our store in 1–2 business days, arrives in 3–5 business days.
Free returns for 30 daysNo restocking fee. We email you a prepaid return label.
We can install it tooOptional in-home delivery, installation and haul-away on large appliances.
Talk to our team(888) 419-6820 · Mon–Sat